Problem Display
PID: 216787 (8/Q4p1b/6k1/2P1RN2/8/1K1P4/8/8 w - - 0 1)

Moller, Ferdinand Friedrich

Vasarnapi Ujsag, 1890

8/Q4p1b/6k1/2P1RN2/8/1K1P4/8/8

#4

6 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qg2+
          • 2...Kh5
            • 3.Sg7+
              • 3...Kh4
                • 4.Rh5#
              • 3...Kh6
                • 4.Rh5#
                • 4.Qg5#
      • 1...Kg5
        • 2.Qg2+
          • 2...Kh5
            • 3.Sg7+
              • 3...Kh4
                • 4.Rh5#
              • 3...Kh6
                • 4.Rh5#
                • 4.Qg5#
      • 1...Kh5
        • 2.Qh2+
          • 2...Kg4
            • 3.Qh4+
              • 3...Kf3
                • 4.Qg3#
          • 2...Kg5
            • 3.Qh4+
              • 3...Kg6
                • 4.Qh6#
      • 1...Kf6
        • 2.Qh2
          • 2...Kg5
            • 3.Qh4+
              • 3...Kg6
                • 4.Qh6#
          • 2...Bxf5
            • 3.Qh6+
              • 3...Kxe5
                • 4.Qd6#
              • 3...Bg6
                • 4.Qh8#
          • 2...Bg6
            • 3.Qh8+
              • 3...Kg5
                • 4.Qh4#
          • 2...Bg8
            • 3.Qg3
              • 3...Bh7
                • 4.Qg7#
      • 1...Bg8
        • 2.Qg2+
          • 2...Kh5
            • 3.Sg7+
              • 3...Kh4
                • 4.Re4#
                • 4.Rh5#
              • 3...Kh6
                • 4.Rh5#
      • 1...f6
        • 2.Qg2+
          • 2...Kh5
            • 3.Sg7+
              • 3...Kh4
                • 4.Rh5#
              • 3...Kh6
                • 4.Rh5#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).